Pseudo-isotherms for the sorption of cadmium ion onto tree fern

Y. S. Ho, C. C. Wang

研究成果: 雜誌貢獻文章同行評審

167 引文 斯高帕斯(Scopus)


The kinetics of cadmium sorption on to tree fern has been investigated based on the assumption of a pseudo-second order rate law. The batch sorption model has been applied to predict the rate constant of sorption and the equilibrium capacity with the effect of initial cadmium concentration. The experimental results have been analysed by pseudo-Langmuir, pseudo-Freundlich and pseudo-Redlich-Peterson isotherms based on pseudo-second order kinetic expression constant. Both pseudo-Langmuir and pseudo-Redlich-Peterson isotherms were found to represent the measured sorption data well. According to the evaluation using the pseudo-Langmuir equation, the monolayer sorption capacity was obtained to he 16.3 mg/g. In addition, χ2 analysis was also used to determine the most suitable model. Pseudo-Langmuir and pseudo-Redlich-Peterson were also the best models for the experiment data from χ2 analysis.
頁(從 - 到)759-763
期刊Process Biochemistry
出版狀態已發佈 - 2月 25 2004

ASJC Scopus subject areas

  • 生物化學
  • 應用微生物與生物技術
  • 生物工程


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